com.google.code.ssm.api

Annotation Type BridgeMethodMapping

@Retention(value=RUNTIME)
 @Target(value=ANNOTATION_TYPE)
public @interface BridgeMethodMapping

This annotation is necessary for methods that come from generic class or interface and at least one of the parameter is generic. Because of type erasure in such case types of method's parameters have to be provided.

 public interface Generic<K, V> {
     void set(K key, V value);
 
     V get(K key);
 
     void put(K key, V value, boolean overwrite);
 }
 
 @BridgeMethodMappings({
         @BridgeMethodMapping(methodName = "set", erasedParamTypes = { Object.class, Object.class }, targetParamTypes = { Number.class,
                 String.class }),
         @BridgeMethodMapping(methodName = "get", erasedParamTypes = { Object.class }, targetParamTypes = { Number.class }),
         @BridgeMethodMapping(methodName = "put", erasedParamTypes = { Object.class, Object.class, boolean.class }, targetParamTypes = {
                 Number.class, String.class, boolean.class }) })
 public class SubGeneric implements Generic<Number, String> {
     public void set(Number key, String value) {
     ..... 
     }
 
     public String get(Number key) {
     .... 
     }
 
     public void put(Number key, String value, boolean overwrite) {
     .... 
     }
 }
 

Since:

2.0.0

Author:

Jakub Białek

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
Class<?>[]	erasedParamTypes
String	methodName
Class<?>[]	targetParamTypes

Element Detail

methodName

public abstract String methodName

Returns:

the name of the method.

erasedParamTypes

public abstract Class<?>[] erasedParamTypes

Returns:

an array of erased types of method's parameters

targetParamTypes

public abstract Class<?>[] targetParamTypes

Returns:

an array of target types of method's parameters